| Issue |
EPJ Web of Conferences
Volume 58, 2013
TM 2012 – The Time Machine Factory [unspeakable, speakable] on Time Travel in Turin
|
|
|---|---|---|
| Article Number | 02004 | |
| Number of page(s) | 8 | |
| Section | The Spacetime Machine: Traveling from Micro to Macro Events | |
| DOI | https://doi.org/10.1051/epjconf/20135802004 | |
| Published online | 05 September 2013 | |
https://doi.org/10.1051/epjconf/20135802004
Cosmology and time
Dipartimento di Fisica, Università di Roma ‘Tor Vergata’ Via della Ricerca Scientifica 1, 00133 Roma, Italy
a e-mail: balbi@roma2.infn.it
Published online: 5 September 2013
Time has always played a crucial role in cosmology. I review some of the aspects of the present cosmological model which are more directly related to time, such as: the definition of a cosmic time; the existence of typical timescales and epochs in an expanding universe; the problem of the initial singularity and the origin of time; the cosmological arrow of time.
© Owned by the authors, published by EDP Sciences, 2013
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